Fire officials called it the largest fire on the Western Slope in more than half a decade.

The Spring Creek 2 Fire started around noon Friday in Garfield County, and quickly spread to Mesa County. By Sunday evening, the fire had grown to more than 600 acres and officials said it was 40 percent contained.

No homes have burned, but the fire has damaged or destroyed four out buildings, three trailers, and three vehicles.

Fire officials said no structures are currently threatened.

Access to County Road 306 between Spring Creek and Wallace Creed Roads is restricted to residents and emergency vehicle traffic only.

The Grand Valley Fire Protection District station in Parachute has been the primary command post for several agencies working the Spring Creek 2 Fire.

“We are still mapping the fire,” said Terlecky, spokesperson for the Mesa County Sheriff's Office. ”We’re looking at hot spots to make sure they don't flare up again.”

The active part of the fire is on a ridge and crews have been using planes and helicopters to drop slurry and water. About four different aircraft are fighting the blaze.

On Saturday, aircraft dropped 82,000 gallons of retardant and 33,000 gallons of river water on the fire.

One family said the growing plume of smoke near their home spurred them to evacuate.

"We were freaked out, because we have three young kids we have dogs we have cats, we just grabbed what we could grabbed our kids and came down to a neighbor’s house where we were safe,” said Diana Parchman who was evacuated last night.

The Mesa County Sheriff's Office said the cause of the fire remains under investigation.

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